"The Big Fix" was great. However, it puzzles me why they would have gone to the effort to fix everything going backward if they hadn't already fixed it going forward, which they apparently haven't. Now they will have to do another effort if and when they do actually address the core problem.
Since this did, at one point, work, one would be led to believe that there is or was at least one someone in IT at Hyatt who can create and test a relatively simple arithmetic equation, and another someone who can translate that into a SQL statement. Why is that person's ability not being applied there?